Home / 58,140,130.96-87,223,687.80-19,801,977.22

Finding the Fourth Proportional to 58,140,130.96, 87,223,687.80 and 19,801,977.22

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Solution

The fourth proportional to 58,140,130.96, 87,223,687.80 and 19,801,977.22 is: 29,707,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,140,130.96 : 87,223,687.80 = 19,801,977.22 : x
  2. Step 2: Convert to fraction form
    58,140,130.96/87,223,687.80 = 19,801,977.22/x
  3. Step 3: Cross multiply
    58,140,130.96x = 87,223,687.80 × 19,801,977.22
  4. Step 4: Simplify right side
    58,140,130.96x = 1,727,201,478,859,991.75
  5. Step 5: Solve for x
    x = 1,727,201,478,859,991.75/58,140,130.96
  6. Step 6: Final answer
    x = 29,707,560.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.